Question

How to generate 20 digits random number in Kotlin

Answer 1

import kotlin.random.Random

fun main() {
    val randomNumber = (1..20)
        .map { Random.nextInt(1, 10) }
        .joinToString("")
        
    val n = randomNumber.toDouble()
    
    println(randomNumber)
    println(n)
}



/*
run:
  
63369523512134873465
6.336952351213488E19
  
*/

 

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